<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 声明一个字符串
        // let str = '<a href="http://atguigu.com">尚硅谷</a>'

        // // 提取url与标签文本
        // const reg = /<a href="(.*)">(.*)<\/a>/

        // // 执行
        // const result = reg.exec(str)
        // console.log(result);
        // console.log(result[1]);
        // console.log(result[2]);

        let str = '<a href="http://atguigu.com">尚硅谷</a>'

        const reg = /<a href="(?<url>.*)">(?<text>.*)<\/a>/

        const result = reg.exec(str)

        console.log(result);
        console.log(result.groups.url)
        console.log(result.groups.text)

    </script>
</body>
</html>